Jet.com + Careculator

The Careculator is an online tool that tells you what to spend on your friends based on how much they care about you on Facebook.

A key peice of Jet.com's Innovating Saving campaign that led to a Media Grand Prix at Cannes.

How? It used advanced “Careculus” to analyze the amount your friends’ like, comment, tag, and share your posts to literally put a price on your friendships. The resulting price can be shared with your friends through social. And of course, it also served up gifts you can get in that price range (for less) on Jet.com.